Publications

Publications Found: 1437

Partitioning Of Evapotranspiration And Its Relation To Carbon Dioxide Exchange In A Chihuahuan Desert Shrubland
Scott, R. L., Huxman, T. E., Cable, W. L., Emmerich, W. E.

Key to evaluating the consequences of woody plant encroachment on water and carbon cycling in semiarid ecosystems is a mechanistic understanding of how biological and non-biological processes influence water loss to the atmosphere. To better understand how precipitation is partitioned into the components of evapotranspiration (bare-soil …


Journal: Hydrological Processes, Volume 20 (15): 3227-3243 (2006). DOI: 10.1002/hyp.6329 Sites: US-Whs

Influences Of Biomass Heat And Biochemical Energy Storages On The Land Surface Fluxes And Radiative Temperature
Gu, L., Meyers, T., Pallardy, S. G., Hanson, P. J., Yang, B., Heuer, M., Hosman, K. P., Liu, Q., Riggs, J. S., Sluss, D., Wullschleger, S. D.

The interest of this study was to develop an initial assessment on the potential importance of biomass heat and biochemical energy storages for land-atmosphere interactions, an issue that has been largely neglected so far. We conducted flux tower observations and model simulations at a temperate deciduous forest site in central Missouri …


Journal: Journal Of Geophysical Research: Atmospheres, Volume 112 (D2): n/a-n/a (2006). DOI: 10.1029/2006jd007425 Sites: US-MOz

Relationships Among Canopy Scale Energy Fluxes And Isoprene Flux Derived From Long-Term, Seasonal Eddy Covariance Measurements Over A Hardwood Forest
Pressley, S., Lamb, B., Westberg, H., Vogel, C.

The flux of isoprene, one of the more reactive biogenic volatile organic compounds, was measured using eddy covariance techniques on a continuous basis during the 2000–2002 growing seasons at a mixed hardwood forest in northern lower MI. Daytime fluxes of isoprene and both sensible (H) and latent heat flux (LE) were linearly …


Journal: Agricultural And Forest Meteorology, Volume 136 (3-4): 188-202 (2006). DOI: 10.1016/j.agrformet.2004.11.013 Sites: US-UMB

Controlling factors on the inter-annual CO2 budget at a sub-arctic black spruce forest in interior Alaska
Ueyama, M., Harazono, Y., Okada, R., Nojiri, A., Ohataki, E. and Miyata, A.


Journal: Tellus, Volume 58B: 491-501 (2006). DOI: Sites: US-Uaf

Direct And Indirect Effects Of Atmospheric Conditions And Soil Moisture On Surface Energy Partitioning Revealed By A Prolonged Drought At A Temperate Forest Site
Gu, L., Meyers, T., Pallardy, S. G., Hanson, P. J., Yang, B., Heuer, M., Hosman, K. P., Riggs, J. S., Sluss, D., Wullschleger, S. D.

The purpose of this paper is to examine the mechanism that controls the variation of surface energy partitioning between latent and sensible heat fluxes at a temperate deciduous forest site in central Missouri, USA. Taking advantage of multiple micrometeorological and ecophysiological measurements and a prolonged drought in the middle …


Journal: Journal Of Geophysical Research, Volume 111 (D16): n/a-n/a (2006). DOI: 10.1029/2006JD007161 Sites: US-MOz

Comparison Of Net Ecosystem CO2 Exchange In Two Peatlands In Western Canada With Contrasting Dominant Vegetation, Sphagnum And Carex
Glenn, A. J., Flanagan, L. B., Syed, K. H., Carlson, P. J.

Net ecosystem carbon dioxide exchange was measured in two contrasting peatlands in northern Alberta, Canada using the eddy covariance technique during the growing season (May–October). Sphagnum spp. made up approximately 66% of the total LAI (1.52 m2 m−2) at the poor fen and the total N content …


Journal: Agricultural And Forest Meteorology, Volume 140 (1-4): 115-135 (2006). DOI: 10.1016/j.agrformet.2006.03.020 Sites: CA-WP2, CA-WP3

Sap Flux-Upscaled Canopy Transpiration, Stomatal Conductance, And Water Use Efficiency In An Old Growth Forest In The Great Lakes Region Of The United States
Tang, J., Bolstad, P. V., Ewers, B. E., Desai, A. R., Davis, K. J., Carey, E. V.

Combining sap flux and eddy covariance measurements provides a means to study plant stomatal conductance and the relationship between transpiration and photosynthesis. We measured sap flux using Granier-type sensors in a northern hardwood-dominated old growth forest in Michigan, upscaled to canopy transpiration, and calculated canopy …


Journal: Journal Of Geophysical Research: Biogeosciences, Volume 111 (G2): n/a-n/a (2006). DOI: 10.1029/2005JG000083 Sites: US-Syv

Micrometeorological measurements of methane flux at a boreal forest in central Alaska
Ueyama, M., Harazaono, Y., Okada, R., Nojiri, A., Ohtaki, E. and Miyata, A.


Journal: Mem. Natl Inst. Polar Res., Spec. Issue, Volume 59: 156-167 (2006). DOI: Sites: US-Uaf

Carbon, Energy And Water Fluxes At Mature And Disturbed Forest Sites, Saskatchewan, Canada
Amiro, B., Barr, A., Black, T., Iwashita, H., Kljun, N., Mccaughey, J., Morgenstern, K., Murayama, S., Nesic, Z., Orchansky, A.

Fire and harvesting are important disturbances in the boreal forest, driving net biome production. Measurements of net ecosystem production (NEP) over mature forest stands have been made from flux towers for about a decade at the Boreal Ecosystem Research and Monitoring Sites (BERMS) in central Saskatchewan, Canada. Over the last …


Journal: Agricultural And Forest Meteorology, Volume 136 (3-4): 237-251 (2006). DOI: 10.1016/j.agrformet.2004.11.012 Sites: CA-SF1, CA-SF2, CA-SF3, CA-SJ1, CA-SJ3

Ecohydrological Impacts Of Woody-Plant Encroachment: Seasonal Patterns Of Water And Carbon Dioxide Exchange Within A Semiarid Riparian Environment
SCOTT, R. L., HUXMAN, T. E., WILLIAMS, D. G., GOODRICH, D. C.

Across many dryland regions, historically grass-dominated ecosystems have been encroached upon by woody-plant species. In this paper, we compare ecosystem water and carbon dioxide (CO2) fluxes over a grassland, a grassland–shrubland mosaic, and a fully developed woodland to evaluate potential consequences of woody-plant encroachment …


Journal: Global Change Biology, Volume 12 (2): 311-324 (2006). DOI: 10.1111/j.1365-2486.2005.01093.x Sites: US-CMW